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                  <p class="p_Heading1"><span class="f_Heading1">EJB Transformations</span></p>



  
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                <p class="p_BodyText"><span class="f_BodyText">The purpose of the</span><span class="f_BodyText" style="font-style: italic;"> EJB Session Bean Transformation</span><span class="f_BodyText"> and the </span><span class="f_BodyText" style="font-style: italic;">EJB Entity Bean Transformation</span><span class="f_BodyText"> is to reduce the work required in generating the internals of Enterprise Java Beans, thus enabling you to concentrate on modeling at a higher level of abstraction.</span></p>
<p class="p_BodyText"><span class="f_BodyText">The</span><span class="f_BodyText" style="font-style: italic;"> </span><span class="f_BodyText" style="font-weight: bold;">EJB Session Bean Transformation</span><span class="f_BodyText"> generates the following from a single Class element containing the attributes, operations and references required for code generation by the </span><span class="f_BodyText" style="font-style: italic;">javax.ejb.*</span><span class="f_BodyText"> package:</span></p>
<ul style="text-indent: 0px; margin-left: 30px; list-style-position: outside;">
<li><span class="f_Bulletlist1">An implementation Class element</span></li>
<li><span class="f_Bulletlist1">A home interface element</span></li>
<li><span class="f_Bulletlist1">A remote interface element.</span></li>
</ul>
<p class="p_BodyText"><span class="f_BodyText">The</span><span class="f_BodyText" style="font-style: italic;"> </span><span class="f_BodyText" style="font-weight: bold;">EJB Entity Bean Transformation</span><span class="f_BodyText"> generates the following from a single Class element containing the attributes, operations and references required for code generation by the</span><span class="f_BodyText" style="font-style: italic;"> javax.ejb.*</span><span class="f_BodyText"> package:</span></p>
<ul style="text-indent: 0px; margin-left: 30px; list-style-position: outside;">
<li><span class="f_Bulletlist1">An implementation Class element</span></li>
<li><span class="f_Bulletlist1">A home interface element</span></li>
<li><span class="f_Bulletlist1">A remote interface element</span></li>
<li><span class="f_Bulletlist1">A primary key element.</span></li>
</ul>
<p class="p_BodyText"><span class="f_BodyText">Both transformations also generate a META-INF package containing a deployment descriptor element.</span></p>
<p class="p_BodyText"><span class="f_BodyText" style="font-weight: bold;">The Platform-Independent Model (PIM):</span></p>
<p class="p_TextIndentedL2"><img src="pim.png" width="622" height="563" border="0" alt="PIM"></p>
<p class="p_BodyText"><span class="f_BodyText" style="font-weight: bold;">After transformation generates a set of Entity Beans, where each one takes the following form (for the Account Class):</span></p>
<p class="p_TextIndentedL2"><img src="psm_entitybean.png" width="609" height="861" border="0" alt="PSM_EntityBean"></p>




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